. 2009 Jun 10;47(8):2623–2625. doi: 10.1128/JCM.02112-08

TABLE 1.

All test results for MRSA isolates with negative cefoxitin screen in Vitek 2 or oxacillin MIC of ≤2 mg/liter in Vitek 2 or MicroScan WalkAway assay^a

Isolate	Cefoxitin screen in Vitek 2	MIC (mg/liter) of:						PFGE type	spa type	PVL	SCCmec type	Resistance phenotype(s)
Isolate	Cefoxitin screen in Vitek 2	Oxacillin in Vitek 2	Oxacillin in WalkAway	Oxacillin by Etest	Oxacillin by microdilution	Cefoxitin by Etest	Cefoxitin by microdilution	PFGE type	spa type	PVL	SCCmec type	Resistance phenotype(s)
877	+	2	>2	6*	>16	8*	>16	16-3	t044	−	IV	CIP
1459	+	2	2	4*	16	6*	16	27-1	t044	+	IV	ERY, TET, FA
1662	+	>2	2	1.5*	16	4*	>16	27-0	t040	+	IV	TET, FA
1883	+	2	2	1*	>16	8*	>16	46-1	t105	+	nt	CIP, GEN
2336	−	2	2	1*	>16	8*	>16	13-13	t4861	−	nt	ERY, SXT, TET, CIP, FA, SXT
2449	+	2	2	0.5	16	8	>16	27-5	t044	+	IV	ERY, TET, FA
2582	+	1	0.5	0.125*	0.5	6*	16	44-12	t4860	−	IV	CIP
2748	−	>2	>2	1.5*	16	4	16	13-4	t008	−	IV	ERY, CIP, FOF
2757	+	>2	2	0.5*	8	8*	16	53-0	t355	+	V	GEN, ERY

*, microcolonies visible; nt, not typeable; CIP, ciprofloxacin; ERY, erythromycin; TET, tetracycline; FA, fusidic acid; GEN, gentamicin; SXT, sulfamethoxazol-trimethoprim; FOF, fosfomycin.